在育苗时,由于种子带菌,加上苗小及苗床内湿度高,常会发生多种病害,导致形成病苗、弱苗。用化学药剂及早防治苗期病害,对培育无病壮苗,能起到“事半功倍”的效果。常用的药剂有以下几种,可根据生产需求选用适当药剂。 In nursery, due to seed-borne bacteria, together with small seedlings and seedbed humidity, often occur a variety of diseases, leading to the formation of disease and weak seedlings. Early use of chemical agents to prevent disease at seedling stage, nurturing seedling disease-free, can play a “multiplier effect.” Commonly used agents are the following, according to the production needs of the appropriate selection of agents.